1 - Bases in banach spaces. I |
2 - Bases in Banach spaces. II |
3 - Best approximation in normed linear spaces by elements of linear subspaces |
4 - The theory of best approximation and functionnal analysis |
1 - Bases in banach spaces. I |
2 - Bases in Banach spaces. II |
3 - Best approximation in normed linear spaces by elements of linear subspaces |
4 - The theory of best approximation and functionnal analysis |